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post #8321 of 16490
Alright. So does anyone know exactly what this business with the ASIC quality is? I understand that it has to do with voltage leakage, but I haven't seemed to be able to find a source that says exactly what that means. I've seen people saying that higher ASIC quality means higher OCs, and I've seen others saying it means lower OCs. I just got a 780 Ti K|ngp|n and it says that the ASIC quality is 75.4%. Should I be happy about this, sad about this, or indifferent?
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post #8322 of 16490
Quote:
Originally Posted by Bradum View Post

Alright. So does anyone know exactly what this business with the ASIC quality is? I understand that it has to do with voltage leakage, but I haven't seemed to be able to find a source that says exactly what that means. I've seen people saying that higher ASIC quality means higher OCs, and I've seen others saying it means lower OCs. I just got a 780 Ti K|ngp|n and it says that the ASIC quality is 75.4%. Should I be happy about this, sad about this, or indifferent?

indifferent.




Top card is 70%
Middle card is 82%
Bottom card is 62%

The 62% card clocks better than the other two cards. It does seem to equate to more voltage @ set clocks, but that seems to become non issue as you feed them more voltage.
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post #8323 of 16490
Quote:
Originally Posted by Errorist66 View Post

An extra table showed up in the VEN_10D...cfg file. So I guess that once you're happy with a value you can stick it in the file.

[Settings]
VDDC_Generic_Detection = 0
VDDC_NCP4206_Detection = 3:20h
[I2C_BUS_03_DEV_20]
Offset00=00 80 17 7F 00 00 00 00 00 00 00 00 00 00 00 00
Offset10=00 00 00 00 00 00 00 00 00 B0 00 00 00 00 00 00
Offset20=20 00 00 00 00 20 B2 00 00 00 00 00 00 00 00 00
Offset30=00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00
Offset40=00 00 00 00 00 00 00 00 00 00 64 00 00 00 00 00
Offset50=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Offset60=00 00 00 00 00 00 00 00 00 00 2C 00 00 00 00 00
Offset70=00 00 00 00 00 00 00 00 02 08 00 00 00 00 80 00
Offset80=00 00 00 00 00 00 00 00 00 00 00 41 28 00 00 00
Offset90=00 00 00 00 00 00 81 00 00 41 98 01 00 00 00 00
OffsetA0=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OffsetB0=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OffsetC0=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OffsetD0=00 03 72 72 03 02 01 55 FF 00 00 00 00 03 10 00
OffsetE0=00 00 10 10 10 10 10 10 10 10 10 00 07 00 00 FF
OffsetF0=FF 8A 00 00 00 02 02 00 00 00 00 50 3F 00 00 00

Looks the exact same as mine as well.

Edit: Actually found a few values that are different.
Quote:
Originally Posted by Bradum View Post

Alright. So does anyone know exactly what this business with the ASIC quality is? I understand that it has to do with voltage leakage, but I haven't seemed to be able to find a source that says exactly what that means. I've seen people saying that higher ASIC quality means higher OCs, and I've seen others saying it means lower OCs. I just got a 780 Ti K|ngp|n and it says that the ASIC quality is 75.4%. Should I be happy about this, sad about this, or indifferent?

I wouldn't think too much about it. I have seen low asics with good OC and High asics with bad oc, and vice versa.
Edited by Agent-A01 - 3/4/14 at 10:00pm
post #8324 of 16490
ASIC describes the leakage of the gpu. It does not describe it's maximum clockspeed. You should not care. Maybe on LN2 having an asic of 60 might help, but for air or water, the quality of the gpu and not it's leakage characteristics matters more in my opinion. You can have high and low asic chips overclock high, the difference is in the amount of power used. Higher ASICs are thought to be less responsive to piling on voltage, so lower asic chips, if given enough voltage and of quality core should surpass them.
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post #8325 of 16490
Quote:
Originally Posted by skupples View Post

indifferent.




Top card is 70%
Middle card is 82%
Bottom card is 62%

The 62% card clocks better than the other two cards. It does seem to equate to more voltage @ set clocks, but that seems to become non issue as you feed them more voltage.

Quote:
Originally Posted by Agent-A01 View Post

Looks the exact same as mine as well.
I wouldn't think too much about it. I have seen low asics with good OC and High asics with bad oc, and vice versa.

Quote:
Originally Posted by Deaf Jam View Post

ASIC describes the leakage of the gpu. It does not describe it's maximum clockspeed. You should not care. Maybe on LN2 having an asic of 60 might help, but for air or water, the quality of the gpu and not it's leakage characteristics matters more in my opinion. You can have high and low asic chips overclock high, the difference is in the amount of power used. Higher ASICs are thought to be less responsive to piling on voltage, so lower asic chips, if given enough voltage and of quality core should surpass them.

Thanks a bunch guys.
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post #8326 of 16490
@error

Tried pasting those values in mine, result was nothing. likely the only thing it does is read the default values and posted them.. At least itll give me some ideas on what values of commands are different from Tis.. I might give you a range of commands to query so i can compare them to titan, would you mind?
post #8327 of 16490
Quote:
Originally Posted by Agent-A01 View Post

@error

Tried pasting those values in mine, result was nothing. likely the only thing it does is read the default values and posted them.. At least itll give me some ideas on what values of commands are different from Tis.. I might give you a range of commands to query so i can compare them to titan, would you mind?

No problem. Reading is easy. But for that I2C at 03:20 you got all the 256 values already. biggrin.gif
Edited by Errorist66 - 3/4/14 at 10:28pm
    
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post #8328 of 16490
Quote:
Originally Posted by Errorist66 View Post

No problem. Reading is easy.

Ok will get back to you tomorrow, almost 1am.. bedtime

Btw i tested MSI ab, and all it does is read default values. Tried editing some and those that were edited did not apply.
post #8329 of 16490
Quote:
Originally Posted by Bradum View Post

Alright. So does anyone know exactly what this business with the ASIC quality is? I understand that it has to do with voltage leakage, but I haven't seemed to be able to find a source that says exactly what that means. I've seen people saying that higher ASIC quality means higher OCs, and I've seen others saying it means lower OCs. I just got a 780 Ti K|ngp|n and it says that the ASIC quality is 75.4%. Should I be happy about this, sad about this, or indifferent?

Have a read from one of my articles:

"ASIC score is more an indication for nvidia and amd and for us only a measure of leakage in our chips (thanks to W1zzard from TechPowerup we can see the value in GPUz), its good to know the ASIC if youre going to run SLI because it want to have closely similar ASIC score on your cards because they will have similar voltages and you can clock/volt them together without having to go separate settings if you get big difference ASIC ( i.e: 60% - 80%)
@TSMC for nvidia and FAB1 for AMD, as the chips are removed from the waffer, tested and fused with the voltage is reflected on the leakage of every chip

Originally Posted by Dave Baumann Product manager AMD
"Actually, it does the opposite! We scale the voltage based on leakage, so the higher leakage parts use lower voltage and the lower leakage parts use a higher voltage - what this is does narrow the entire TDP range of the product. Everything is qualified at worst case anyway; all the TDP calcs and the fan settings are completed on the worst case for the product range"

A high leakage card operates at lower voltage to balance the otherwise higher power draw and temps. It will also overclock higher than what a low leakage card would. The problem is though, cards usually have a limit of voltage increase, i.e. say +150mV , which means AB could overvolt a 1.15V card to 1.3V, but a 1.1V card would crash above 1.25V.

A high leakage card is what you want if you do extreme OC, and you can keep the card cool (H20,LN2 etc.). Your mileage will vary of course, not all low VID cards are good OC cards, and not all high VID cards OC bad. It's a part of product binning, they try to fit in as many chips as possible to a similar ASIC spec.

From "the man" W1zzard - Techpowerup himself:

"it's from the gpu silicon, and it's used to calculate the gpu voltage.

"bad" gpus get a higher voltage so they make the default clock. "good" gpus can do it with lower voltage

as you've seen in this thread, the scale for nvidia isnt perfect yet, so i'll apply some fixes once I have more data that suggests the typical ranges of gpu leakages"



Cheers

Ed

(Skyn3t team)
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post #8330 of 16490
Quote:
Originally Posted by Deaf Jam View Post

ASIC describes the leakage of the gpu. It does not describe it's maximum clockspeed. You should not care. Maybe on LN2 having an asic of 60 might help, but for air or water, the quality of the gpu and not it's leakage characteristics matters more in my opinion. You can have high and low asic chips overclock high, the difference is in the amount of power used. Higher ASICs are thought to be less responsive to piling on voltage, so lower asic chips, if given enough voltage and of quality core should surpass them.

It would still mean that if you run everything stock, a lower quality ASIC would be feed more voltage to be stable. So it would reach the power target at a lower clock speed and have lower performance. I tried it with OC scanner. I set power target at back down to 106% for example. Then up the voltage, down goes the FPS to keep the power target in check.
    
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